K1USO
Available1x3District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderWARD, HAROLD A
License ClassGeneral
Min. Class RequiredGeneral
LocationCLINTON, MD
Grant DateMar 1, 1988
Expiration DateMar 1, 1998
Cancellation DateMar 2, 2000
Available for ApplicationsMar 2, 2000
K1USO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WARD, HAROLD A in CLINTON, MD. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by LATHAM, DARRELL A on Apr 16, 2026. K1USO has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- .---- ..- ... ---
CW Weight: 37 units(Moderate)
Voice Phonetics
Kilo One Uniform Sierra Oscar
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMar 2, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.